In order to hard reset a Asus V80, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Asus V80 device will be brought back to the default configuration of a brand new device.
1. Press and hold Power button to switch off the phone.
2. Next, press Left Soft key. Doing so will display Menu.
3. Select Settings.
4. Now select Security and Factory Settings.
5. Choose the Restore factory default option. Confirm it by tapping Enter button.
6. Put in the confirmation code 1234.
7. Done.